CN105540709A - Seawater desalination device and seawater desalination system - Google Patents
Seawater desalination device and seawater desalination system Download PDFInfo
- Publication number
- CN105540709A CN105540709A CN201510975535.5A CN201510975535A CN105540709A CN 105540709 A CN105540709 A CN 105540709A CN 201510975535 A CN201510975535 A CN 201510975535A CN 105540709 A CN105540709 A CN 105540709A
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- seawater
- evaporator room
- water
- pipeline
- fresh
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to a seawater desalination device, and relates to the field of seawater desalination. The seawater desalination device comprises a heater, a heating water pipeline and an evaporation chamber. The device is characterized in that the heater is connected to the heating water pipeline; the heating water pipeline enters from one side on the lower part of the evaporation chamber, exits from the other side on the lower part of the evaporation chamber, and circulates to the heater; a seawater inlet pipeline and a seawater outlet pipeline are connected to the bottom of the evaporation chamber; a condenser is arranged on the upper part in the evaporation chamber; a freshwater tank is arranged below the condenser; the freshwater tank is connected to a freshwater pipeline and a water suction pump; the freshwater pipeline exits from one side on the upper part of the evaporation chamber, and is connected to the freshwater tank; a steam pipeline is arranged outside the top of the evaporation chamber; the downward end of the steam pipeline communicates with the bottom of the evaporation chamber; a compressor is arranged for recycling steam that is not completely condensed; a siphon pipe is connected to the outer side of the evaporation chamber; one end of the siphon pipe communicates with the inside of the evaporation chamber, wherein the end face is positioned at the seawater surface in the evaporation chamber; the other end of the siphon pipe communicates with the heating water pipeline from the evaporation chamber.
Description
Technical field
The present invention relates to sea water desaltination, particularly relate to a kind of sea water desalinating plant and seawater desalination system.
Background technology
The life of water to us plays an important role, and it is lifespring, is one of indispensable most important physical resources that the mankind depend on for existence and development.Current lack of water becomes worldwide problem, solves the supply problem of water resources, is the most important thing to the water resources development of China.The water supply wretched insufficiency on some coastal cities, northern area and island, situation allows of no optimist.And there are abundant seawater resources coastland, utilize desalination technology to solve water shortage problem and apply.In current desalination technology, applying comparatively general has multistage flash distillation, electroosmose process, reverse osmosis method.
At present in the sea water desalinating plant of application, often there is many problems, such as, equipment runs not steady, often need to change component, the dump energy utilization ratio produced in desalting process is low, and equipment is too large, complex structure, manufacturing cost is high, consumes energy high in desalting process meanwhile, production cost is high, is all the problems needing at present to solve.
Summary of the invention
For solving the weak point in above-mentioned sea water desalinating plant, the invention provides a kind of sea water desalinating plant and seawater desalination system, adopt titanium pipe, titanium plate as the material of core component, make stable equipment operation, not fragile, and the dump energy in desalting process can be made full use of, simultaneously, device structure is simple, low cost of manufacture and consume energy low.
Technical scheme
A kind of sea water desalinating plant, comprise well heater, heating water pipeline and evaporator room, it is characterized in that: in described well heater, have heating tube, well heater connects heating water pipeline, described heating water pipeline enters from side, evaporator room bottom, pass from evaporator room bottom opposite side, seawater suction culvert and seawater outlet pipeline is also connected with bottom described evaporator room, in evaporator room, bottom is full of the seawater entered into from seawater suction culvert in evaporator room, top is the steam that the heating of the hot water that seawater is subject in heating water pipeline produces afterwards, top is provided with condenser, the fresh-water tank of connection is provided with below condenser, described fresh-water tank connects fresh water line and water suction pump, described fresh water line passes at the upper side of evaporator room, end is connected with fresh-water tank, described evaporator room top is outside equipped with vapour line, vapour line one end is communicated with evaporator room inner top, the downward the other end is communicated to bottom evaporator room, vapour line is provided with the steam that compressor reclaims non-total condensation, also be connected with siphon pipe outside evaporator room, described siphon pipe one end is communicated in evaporator room, and end face is positioned at the seawater surface of evaporator room, the other end is communicated with the heating water pipeline passed from evaporator room, and the heating water pipeline passed circulation is connected to well heater.
Further, described heating water pipeline is provided with heating water pipeline flow valve in the part passing evaporator room side, the part that described heating water pipeline is positioned at evaporator room adopts continuous print S shape or square waveform bending shape, be increased in the length of pipe in evaporator room, described seawater suction culvert and seawater outlet pipeline are provided with seawater inlet port flow valve and seawater water outlet flow valve respectively.
Further, described condenser adopts titanium pipe to make, and being the arcuate structure that low centre, two ends is high, is fresh-water tank below condenser two ends.
Further, described fresh-water tank is circular ring, is fixed on evaporator room inwall, has opening, be connected with fresh water line bottom the fresh-water tank near fresh water line side.
Further, described fresh-water tank connects salt sub sensor outward.
Further, described siphon pipe is positioned at the part outside evaporator room is structure wide at the top and narrow at the bottom.
The part that described siphon pipe is positioned at outside evaporator room is connected to form by three end to end pipes wide at the top and narrow at the bottom.
Further, the material that described evaporator room inwall adopts is titanium plate, and the material that outer wall adopts is manganese steel, and adopts explosive welding together.
A kind of seawater desalination system of sea water desalinating plant composition as above, it is characterized in that: described seawater desalination system comprises multistage described sea water desalinating plant and is in series, carry out continuing distillation, the seawater outlet pipeline of the previous stage sea water desalinating plant of adjacent two-stage sea water desalinating plant is connected with the seawater suction culvert of the sea water desalinating plant of rear stage, is carried out by the seawater imported at first continuing distillation desalination.
Further, described seawater desalination system is made up of nine grades of sea water desalinating plants.
Beneficial effect
Sea water desalinating plant well heater of the present invention heats the water in heating water pipeline, carries out preheating and sufficient heat exchange with seawater, and seawater obtains fresh water by the condenser condenses running into top after thermal evaporation; Heating tube in well heater and condenser all adopt titanium pipe, and evaporator room inwall adopts titanium plate, outer wall adopts manganese steel, and adopt explosive welding to fetch to weld together, plant running is stablized, not fragile, and the environment of sea water resistance evaporation, adopt the pressure in siphon arrangement reduction evaporator room, improve vaporization efficiency; Meanwhile, the steam shed can compress, then send back in the seawater of evaporator room by the compressor be arranged on vapour line, has reclaimed the heat in steam; In seawater desalination system, the steam of recovery with carried out preheating and delivered in next stage device by seawater outlet pipeline together with the seawater fully to exchange, make use of dump energy fully.Apparatus structure of the present invention is simple, low cost of manufacture, and energy consumption is low, environment-friendly high-efficiency, greatly can reduce the cost of sea water desaltination, improves the efficiency of sea water desaltination.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention, comprises front and back stages sea water desalinating plant.
Wherein: 1-well heater, 2-heating water pipeline, 3-seawater suction culvert, 4-seawater suction culvert flow valve, 5-seawater outlet pipeline flow valve, 6-seawater outlet pipeline, 7-heating water pipeline flow valve, 8-siphon pipe, 9-salt sub sensor, 10-evaporator room, 11-condenser, 12-fresh-water tank, 13-fresh water line, 14-vapour line, 15-compressor.
Embodiment
Below in conjunction with specific embodiments and the drawings, set forth the present invention further.
The present invention proposes a kind of sea water desalinating plant and seawater desalination system, and principle is anticipated as shown in Figure 1.A kind of sea water desalinating plant, comprise well heater, heating water pipeline and evaporator room, heating tube is had in described well heater 1, well heater 1 connects heating water pipeline 2, described heating water pipeline 2 enters from side, evaporator room 10 bottom, pass from evaporator room 10 bottom opposite side, seawater suction culvert 3 and seawater outlet pipeline 6 is also connected with bottom described evaporator room 10, in evaporator room 10, bottom is full of the seawater entered into from seawater suction culvert 3 in evaporator room 10, top is the steam that heating that seawater is subject to the hot water of heating water pipeline 2 li produces afterwards, top is provided with condenser 11, the fresh-water tank 12 of connection is provided with below condenser 11, described fresh-water tank 12 connects fresh water line 13 and water suction pump, described fresh water line 13 passes at the upper side of evaporator room 10, end is connected with fresh-water tank, described evaporator room 10 top is outside equipped with vapour line 14, vapour line 14 one end is communicated with evaporator room 10 inner top, the downward the other end is communicated to bottom evaporator room 10, vapour line 14 is provided with the steam that compressor 15 reclaims non-total condensation, siphon pipe 8 is also connected with outside evaporator room 10, described siphon pipe 8 one end is communicated in evaporator room 10, end face is positioned at the seawater surface of evaporator room 10, the other end is communicated with the heating water pipeline 2 passed from evaporator room 10, and the heating water pipeline 2 passed circulation is connected to well heater 1.
Described heating water pipeline 2 passes side part at evaporator room 10 is provided with heating water pipeline flow valve 7, described seawater suction culvert 3 and seawater outlet pipeline 6 are all also separately installed with seawater inlet port flow valve 4 and seawater water outlet flow valve 5, above flow valve is all used for controlling the flow of water in respective water lines, to ensure that the evaporation in evaporator room 10 can normally be carried out.The part that described heating water pipeline 2 is positioned at evaporator room 10 adopts continuous print S shape or square waveform bending shape, the length of pipe in evaporator room 10 is increased in this, the hot water after well heater 1 is enable to carry out abundant preheating and exchange with the seawater in evaporator room 10, after sufficient heat exchange, namely seawater evaporates after reaching 47 degree of boiling points, flow into after condenser 11 condensation of the high arcuate structure in low centre, two ends in evaporator room 10 and be fixed in the fresh-water tank 12 of the circular ring on evaporator room 10 inwall, then flow into fresh-water tank by water suction pump sucking-off.And keep flowing due to the hot water in the seawater in evaporator room 10 and heating water pipeline always, and the suction of water suction pump, can make to keep certain vacuum pressure levels above evaporator room 10 maritime interior waters, simultaneously, evaporator room 10 is outer is also connected with siphon pipe 8 wide at the top and narrow at the bottom, the pressure above the seawater in evaporator room 10 can be reduced, be conducive to evaporation of seawater, improve desalination efficiency.The compressor 15 of the outer side of evaporator room 10 is by sending into after the vapour compression in evaporator room 10 in seawater again, reclaim and evaporate, the heating water pipeline 2 of the circulation of employing, the middle surplus hot water through heat exchange is also recycling, improve energy utilization rate, the power consumption of device is reduced greatly.And the heating tube in described condenser 11 and well heater 1 all uses titanium pipe, the material that described evaporator room 10 inwall adopts is titanium plate, what outer wall adopted is manganese steel, and adopt explosive welding to fetch to weld together, enable sea water desalinating plant steady running of the present invention, not fragile, more tolerate the salt time-sharing environment of seawater.Described fresh-water tank 12 is circumscribed with salt sub sensor 9, carrys out regulating and controlling flow valve according to the data of salt sub sensor 9, regulates the flow that enters of seawater, thus control seawater by thermal evaporation process, obtain satisfactory fresh water.
By the seawater desalination system of above-mentioned device composition consecutive evaporation, nine sea water desalinating plants comprising setting are composed in series, the seawater outlet pipeline 6 of the previous stage sea water desalinating plant of two adjacent sea water desalinating plants is connected with the seawater suction culvert 3 of the sea water desalinating plant of rear stage, can carry out continuing evaporation, and the residual seawater through heat exchange in evaporator room 10 flows into next stage sea water desalinating plant through seawater outlet pipeline 6, also take full advantage of dump energy, further increase efficiency of energy utilization.
Sea water desalinating plant well heater of the present invention heats the water in heating water pipeline, carries out preheating and sufficient heat exchange with seawater, and seawater obtains fresh water by the condenser condenses running into top after thermal evaporation; Heating tube in well heater and condenser all adopt titanium pipe, and evaporator room inwall adopts titanium plate, outer wall adopts manganese steel, and adopt explosive welding to fetch to weld together, plant running is stablized, not fragile, and the environment of sea water resistance evaporation, adopt the pressure in siphon arrangement reduction evaporator room, improve vaporization efficiency; Meanwhile, the steam shed can compress, then send back in the seawater of evaporator room by the compressor be arranged on vapour line, has reclaimed the heat in steam; In seawater desalination system, the steam of recovery with carried out preheating and delivered in next stage device by seawater outlet pipeline together with the seawater fully to exchange, make use of dump energy fully further.
Device low cost of manufacture of the present invention, energy consumption is low, environment-friendly high-efficiency, greatly can reduce the cost of sea water desaltination, improves the efficiency of sea water desaltination.
Claims (10)
1. a sea water desalinating plant, comprise well heater, heating water pipeline and evaporator room, it is characterized in that: described well heater has heating tube in (1), well heater (1) connects heating water pipeline (2), described heating water pipeline (2) enters from evaporator room (10) side, bottom, pass from evaporator room (10) bottom opposite side, described evaporator room (10) bottom is also connected with seawater suction culvert (3) and seawater outlet pipeline (6), evaporator room (10) interior bottom is full of the seawater entered into from seawater suction culvert (3) in evaporator room (10), top is the steam that heating that seawater is subject to the inner hot water of heating water pipeline (2) produces afterwards, top is provided with condenser (11), condenser (11) below is provided with the fresh-water tank (12) of connection, described fresh-water tank (12) connects fresh water line (13) and water suction pump, described fresh water line (13) passes from evaporator room (10) upper side, end is connected with fresh-water tank, described evaporator room (10) top is outside equipped with vapour line (14), vapour line (14) one end is communicated with evaporator room (10) inner top, the downward the other end is communicated to evaporator room (10) bottom, vapour line (14) is provided with the steam that compressor (15) reclaims non-total condensation, evaporator room (10) outside is also connected with siphon pipe (8), described siphon pipe (8) one end is communicated in evaporator room (10), end face is positioned at the seawater surface of evaporator room (10), the other end is communicated with the heating water pipeline (2) passed from evaporator room (10), heating water pipeline (2) circulation passed is connected to well heater (1).
2. sea water desalinating plant according to claim 1, it is characterized in that: described heating water pipeline (2) is provided with heating water pipeline flow valve (7) in the part passing evaporator room (10) side, the part that described heating water pipeline (2) is positioned at evaporator room (10) adopts continuous print S shape or square waveform bending shape, be increased in the length of pipe in evaporator room (10), described seawater suction culvert (3) and seawater outlet pipeline (6) are provided with seawater inlet port flow valve and seawater water outlet flow valve respectively.
3. sea water desalinating plant according to claim 1, is characterized in that: described condenser (11) adopts titanium pipe to make, and being the arcuate structure that low centre, two ends is high, is fresh-water tank (12) below condenser (11) two ends.
4. the sea water desalinating plant according to claim 1 or 3, it is characterized in that: described fresh-water tank (12) is circular ring, be fixed on evaporator room (10) inwall, in fresh-water tank (12) bottom near fresh water line (13) side, there is opening, be connected with fresh water line (13).
5. sea water desalinating plant according to claim 1, is characterized in that: described fresh-water tank (12) connects salt sub sensor (9) outward.
6. sea water desalinating plant according to claim 1, is characterized in that: it is structure wide at the top and narrow at the bottom that described siphon pipe (8) is positioned at evaporator room (10) part outward.
7. sea water desalinating plant according to claim 6, is characterized in that: described siphon pipe (8) is positioned at evaporator room (10) part outward and is connected to form by three end to end pipes wide at the top and narrow at the bottom.
8. sea water desalinating plant according to claim 1, is characterized in that: the material that described evaporator room (10) inwall adopts is titanium plate, and the material that outer wall adopts is manganese steel, and adopts explosive welding together.
9. the seawater desalination system of a sea water desalinating plant composition as claimed in claim 1, it is characterized in that: described seawater desalination system comprises multistage described sea water desalinating plant and is in series, carry out continuing distillation, the seawater outlet pipeline (6) of the previous stage sea water desalinating plant of adjacent two-stage sea water desalinating plant is connected with the seawater suction culvert (3) of the sea water desalinating plant of rear stage, is carried out by the seawater imported at first continuing distillation desalination.
10. seawater desalination system according to claim 9, is characterized in that: described seawater desalination system is made up of nine grades of sea water desalinating plants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975535.5A CN105540709B (en) | 2015-12-23 | 2015-12-23 | A kind of desalination plant and seawater desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975535.5A CN105540709B (en) | 2015-12-23 | 2015-12-23 | A kind of desalination plant and seawater desalination system |
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| Publication Number | Publication Date |
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| CN105540709A true CN105540709A (en) | 2016-05-04 |
| CN105540709B CN105540709B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510975535.5A Expired - Fee Related CN105540709B (en) | 2015-12-23 | 2015-12-23 | A kind of desalination plant and seawater desalination system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116199292A (en) * | 2023-04-20 | 2023-06-02 | 桂林理工大学 | Surface super-hydrophilic modified sea water desalinator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341601A (en) * | 1980-02-20 | 1982-07-27 | E. I. Du Pont De Nemours And Company | Water evaporation process |
| CN1223234A (en) * | 1998-11-12 | 1999-07-21 | 易元明 | negative temperature difference sea water desalting equipment |
| CN102910697A (en) * | 2012-09-28 | 2013-02-06 | 童东华 | Marine seawater desalinating unit |
| CN103626245A (en) * | 2012-08-29 | 2014-03-12 | 童师颖 | Efficient heat pump type seawater desalting apparatus |
| CN205367777U (en) * | 2015-12-23 | 2016-07-06 | 中置新能源科技发展(上海)有限公司 | Sea water desalting device |
-
2015
- 2015-12-23 CN CN201510975535.5A patent/CN105540709B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341601A (en) * | 1980-02-20 | 1982-07-27 | E. I. Du Pont De Nemours And Company | Water evaporation process |
| CN1223234A (en) * | 1998-11-12 | 1999-07-21 | 易元明 | negative temperature difference sea water desalting equipment |
| CN103626245A (en) * | 2012-08-29 | 2014-03-12 | 童师颖 | Efficient heat pump type seawater desalting apparatus |
| CN102910697A (en) * | 2012-09-28 | 2013-02-06 | 童东华 | Marine seawater desalinating unit |
| CN205367777U (en) * | 2015-12-23 | 2016-07-06 | 中置新能源科技发展(上海)有限公司 | Sea water desalting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116199292A (en) * | 2023-04-20 | 2023-06-02 | 桂林理工大学 | Surface super-hydrophilic modified sea water desalinator |
| CN116199292B (en) * | 2023-04-20 | 2024-05-28 | 桂林理工大学 | Surface super-hydrophilic modified sea water desalinator |
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| Publication number | Publication date |
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| CN105540709B (en) | 2018-05-04 |
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Granted publication date: 20180504 Termination date: 20191223 |